Class 9th Physics | Numericals Q.1 to Q.4 | Chapter 1 Unit B | Measurements and Experimentation скачать в хорошем качестве

Class 9th Physics | Numericals Q.1 to Q.4 | Chapter 1 Unit B | Measurements and Experimentation

Watch this class and give your valuable feedback in comment box. Like the Video and share with your friends, relatives and classmates. _________________________________________ Subscribe this Channel -    / academicmathematics   Subscribe my Travel Channel -    / vagabondian   Follow me on Instagram   / vagaboindian   _________________________________________ Things I use for Class Recording Mic - https://amzn.to/3pRquor Tripod Stand - https://amzn.to/2UJLkrC Camera - https://amzn.to/2UK9ySH Memory Card - https://amzn.to/3kT1Qjw __________________________________________ Chapter in this Video - 00:00 - 00:28 - Introduction of this class. 00:29 - 01:45 - Q.01 - A stop watch has 10 divisions graduated between the 0 and 5 s marks. What is its least count. 01:46 - 06:18 - 2 - A vernier has 10 divisions and they are equal to 9 divisions of main scale in length. If the main scale is calibrated in mm, what is its least count ? 06:19 - 11:07 - 3 - A microscope is provided with a main scale graduated with 20 divisions in 1 cm and a vernier scale with 50 divisions on it if length same as of 49 divisions of main scale. Find the least count of the microscope. 11:08 - 14:10 - 4 - A boy uses a vernier callipers to measure the thickness of his pencil.He measure it to be 1.4 mm. If the zero error of vernier calipers is + 0.02 cm, What is the correct thickness of pencil. 14:11 - 14:36 - End of the video. Thank you Thanks for Watching... #SelinaSolution #AcademicMathematics #Physics